<template>
  <header class="header">
    <h1>todos</h1>
    <input id="toggle-all" class="toggle-all" type="checkbox" >
    <label for="toggle-all"></label>
    <input
      class="new-todo"
      placeholder="输入任务名称-回车确认"
      autofocus
      v-model.trim="form.title"
      @keyup.enter="onKeyup"
    />
  </header>
</template>

<script>
import axios from 'axios'
export default {
  props: ['init'],
  data () {
    return {
      form: {
        title: ''
      }
    }
  },
  created () {
    this.init()
  },
  methods: {
    onKeyup () {
      if (this.form.title === '') {
        return alert('请输入内容')
      }
      axios({
        url: '/add',
        method: 'POST',
        data: this.form
      }).then(res => {
        this.init()
        this.form.title = ''
      })
    }
  }
}
</script>
